The worst pest on the face of the Earth. Looks like a horsefly, buzzes like a bee, bites like a f***ing shark. Local mostly to marshes and swampy areas on the East Coast, it's a rather bland looking little bugger that bites you, spills your blood, then mashes its head into the open wound and spreads its (nonfatal-but-painful) poison all over it. The wound hurts like hell and bleeds a lot.

A Green Head is the most obnoxious human being imaginable. It is derived from swamp borne green headed flies on the coast of Maine. These flies have green heads and when they land on you, they bite you with huge, white triangle shaped teeth. They are really slow,and when swatted, they do an animated, circuliar tumble to the ground.

1. A slang term for a greedy person or someone obsessed with money, particularly those involved in business and entrepreneurship who are thought of as greedy and lacking morals. They are called this because they always have money on their minds.

2. Also a term for an environmentalist or nature lover, they are also called Tree Huggers

1. The Greenhead on the news argued against Health Care reform on the basis of profit loss, even though Health Care profits are extremely high, so many people and their kids are without coverage and many diagnosed with pre-existing conditions can't get coverage and suffer severe illness or even death.

2. The Greenhead didn't want the beautfiful trees cut down for a stupid bar built a few blocks away from another bar